package com.cuit.service.Book;

import com.baomidou.mybatisplus.core.conditions.Wrapper;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.IService;
import com.cuit.mapper.Book.BookTypeMapper;
import com.cuit.mapper.BookMapper;
import com.cuit.mapper.UserMapper;
import com.cuit.pojo.Book;
import com.cuit.pojo.BookType;
import com.cuit.pojo.BookUser;
import com.cuit.pojo.User;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.util.List;
import java.util.Optional;

@Service
public class BookUserService  {


}
